Delivery now not until Friday, so I worked up a couple of drawings. No dimensions, just a rough idea.

Thoughts?
Attachments
Spare Crank.jpg (39.46 KB, 141 downloads)
Spare Crank Side View.jpg (42.22 KB, 139 downloads)

'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.